DENSITY (Full list)
system	unit	unit- code	abbrev- iation	notes	sample default conversion	combination output units
Metric	kilogram per cubic metre	kg/m3	kg/m3		1.0 kg/m3 (1.7 lb/cu yd)	kg/m3 lb/ft3 (kg/m3 lb/cuft) kg/m3 lb/yd3 (kg/m3 lb/cuyd)
	gram per cubic metre	g/m3	g/m3		1.0 g/m3 (0.0017 lb/cu yd)	g/m3 kg/m3 g/m3 lb/ft3 (g/cm3 lb/cuft) g/m3 lb/yd3 (g/cm3 lb/cuyd)
Imperial & US customary	pound per cubic foot	lb/ft3	lb/cu ft		1.0 lb/cu ft (0.016 g/cm3)	lb/ft3 kg/m3 (lb/cu ft g/m3) lb/ft3 g/m3 (lb/cu ft g/m3)
	pound per cubic yard	lb/yd3	lb/cu yd		1.0 lb/cu yd (0.59 kg/m3)	lb/yd3 kg/m3 (lb/cuyd kg/m3) lb/yd3 g/m3 (lb/cuyd g/m3)